Page 21 - Digi Notes : Maths - 11.03.2016

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21 Liter

Re duced Mixt ure Water Pure Water Added
40 % 100 %

75 %

25 % : 35 %
Re duced Mixt ure:Water Added  5 : 7

1 . Final  21  12  36 liter
7
2 . Initial 36  ( 15 21 )  30 liter

31. In a certain quantity of mixture of two liquids A and

B; the ratio of A to B is 7:5. When 9 liters of mixture is

removed and then 9 liters of liquid B is added; the ratio

of A to B becomes 7:9. Find the quantity of A

1. In the Final mixture

2. In the Initial mixture

9 Liter

Re duced Mixt ure B Pure B Added
5 1
12
9
16
7 : 7
16 48
Re duced Mixt ure:Water Added  3 : 1

1 . Final  9  4  36 liter  A: B  9 : 7  A  36  7  15 . 75 liter
1 16

2 . Initial 36 liter  A: B  5 : 7  A  36  7  21 liter
12

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